function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function insertChar(nnChar,ieChar){
	var skippy_isMacIE = ((navigator.appName == "Netscape") && (navigator.appVersion.indexOf('Macintosh') != -1));
	var car_set = (skippy_isMacIE) ? "<font face='symbol'>" + nnChar + "</font>" : unescape(ieChar) ;
	document.write(car_set);
}

var actT = 1;					//スクロールスピード：小＝速い

var TimeID;
var scrx,dx,x,inix,viewx;

function Init(){
	dx = 0;
	x = 0;
	inix = 0;
	viewx = inix;
}

function right(rq){
	scrx = rq;
	inix = viewx;
	dx = 0;
	x = 0;
	scroll_right();
}

function left(rq){
	scrx = rq;
	inix = viewx;
	dx = 0;
	x = 0;
	scroll_left();
}

function scroll_right(){
	var tgtx = inix + scrx;
	if( x < (scrx/2) ){
		dx++;
	}else if( x > (scrx/2) ){
		dx--;
		dx = Math.max(dx , 1);
	}
	x += dx;
	viewx = inix + x;
	viewx = Math.min( viewx , tgtx );
	self.scroll(viewx,0);
	if(viewx >= tgtx){
		clearTimeout(TimeID);
	}else{
		TimeID = setTimeout( "scroll_right()" , actT);
	}
}

function scroll_left(){
	var tgtx = inix - scrx;
	if( x < (scrx/2) ){
		dx++;
	}else if( x > (scrx/2) ){
		dx--;
		dx = Math.max(dx , 1);
	}
	x += dx;
	viewx = inix - x;
	viewx = Math.max( viewx , tgtx );
	self.scroll(viewx,0);
	if(viewx <= tgtx){
		clearTimeout(TimeID);
	}else{
		TimeID = setTimeout( "scroll_left()" , actT);
	}
}
var origWidth, origHeight;
if (document.layers) {
	origWidth = window.innerWidth; origHeight = window.innerHeight;
	window.onresize = function() { if (window.innerWidth != origWidth || window.innerHeight != origHeight) history.go(0); }
}

var cur_lyr;	// holds id of currently visible layer
function swapLayers(id) {
  if (cur_lyr) hideLayer(cur_lyr);
  showLayer(id);
  cur_lyr = id;
}

function showLayer(id) {
  var lyr = getElemRefs(id);
  if (lyr && lyr.css) lyr.css.visibility = "visible";
}

function hideLayer(id) {
  var lyr = getElemRefs(id);
  if (lyr && lyr.css) lyr.css.visibility = "hidden";
}

function getElemRefs(id) {
	var el = (document.getElementById)? document.getElementById(id): (document.all)? document.all[id]: (document.layers)? getLyrRef(id,document): null;
	if (el) el.css = (el.style)? el.style: el;
	return el;
}

// get reference to nested layer for ns4
// from old dhtmllib.js by Mike Hall of www.brainjar.com
function getLyrRef(lyr,doc) {
	if (document.layers) {
		var theLyr;
		for (var i=0; i<doc.layers.length; i++) {
	  	theLyr = doc.layers[i];
			if (theLyr.name == lyr) return theLyr;
			else if (theLyr.document.layers.length > 0) 
	    	if ((theLyr = getLyrRef(lyr,theLyr.document)) != null)
					return theLyr;
	  }
		return null;
  }
}